How Well Does Pfizer Protect From Omicron? New Preliminary Results Give Us an Idea
Two doses of Pfizer’s COVID-19 vaccine shot offered about 70 percent protection against hospitalization during a recent surge in Omicron cases in South Africa, preliminary real-world data found. This was a drop from about 92 percent in a previous Delta wave, the researchers from Discovery Health, South Africa’s largest insurer and South Africa’s Medical Research Council, said … Read more